V4L/DVB (4353): V4L2 conversion: radio-sf16fmi

Driver conversion to V4L2 API.
Require some testing, since this obsolete hardware is not
common those days.

Signed-off-by: Mauro Carvalho Chehab <mchehab@infradead.org>

1 files changed, 100 insertions, 57 deletions

diff --git a/drivers/media/radio/radio-sf16fmi.c b/drivers/media/radio/radio-sf16fmi.c
index efee6e339d15..43524119ac1c 100644
--- a/drivers/media/radio/radio-sf16fmi.c
+++ b/drivers/media/radio/radio-sf16fmi.c
@@ -13,6 +13,7 @@
  *  No volume control - only mute/unmute - you have to use line volume
  *  control on SB-part of SF16FMI
  *
+ * Converted to V4L2 API by Mauro Carvalho Chehab <mchehab@infradead.org>
  */
 
 #include <linux/kernel.h>       /* __setup                      */
@@ -20,13 +21,26 @@
 #include <linux/init.h>         /* Initdata                     */
 #include <linux/ioport.h>       /* request_region               */
 #include <linux/delay.h>        /* udelay                       */
-#include <linux/videodev.h>     /* kernel radio structs         */
+#include <linux/videodev2.h>    /* kernel radio structs         */
 #include <media/v4l2-common.h>
 #include <linux/isapnp.h>
 #include <asm/io.h>             /* outb, outb_p                 */
 #include <asm/uaccess.h>        /* copy to/from user            */
 #include <linux/mutex.h>
 
+#define RADIO_VERSION KERNEL_VERSION(0,0,2)
+
+static struct v4l2_queryctrl radio_qctrl[] = {
+        {
+                .id            = V4L2_CID_AUDIO_MUTE,
+                .name          = "Mute",
+                .minimum       = 0,
+                .maximum       = 1,
+                .default_value = 1,
+                .type          = V4L2_CTRL_TYPE_BOOLEAN,
+        }
+};
+
 struct fmi_device
 {
         int port;
@@ -123,93 +137,122 @@ static int fmi_do_ioctl(struct inode *inode, struct file *file,
 
         switch(cmd)
         {
-                case VIDIOCGCAP:
+                case VIDIOC_QUERYCAP:
                 {
-                        struct video_capability *v = arg;
+                        struct v4l2_capability *v = arg;
                         memset(v,0,sizeof(*v));
-                        strcpy(v->name, "SF16-FMx radio");
-                        v->type=VID_TYPE_TUNER;
-                        v->channels=1;
-                        v->audios=1;
+                        strlcpy(v->driver, "radio-sf16fmi", sizeof (v->driver));
+                        strlcpy(v->card, "SF16-FMx radio", sizeof (v->card));
+                        sprintf(v->bus_info,"ISA");
+                        v->version = RADIO_VERSION;
+                        v->capabilities = V4L2_CAP_TUNER;
+
                         return 0;
                 }
-                case VIDIOCGTUNER:
+                case VIDIOC_G_TUNER:
                 {
-                        struct video_tuner *v = arg;
+                        struct v4l2_tuner *v = arg;
                         int mult;
 
-                        if(v->tuner)    /* Only 1 tuner */
+                        if (v->index > 0)
                                 return -EINVAL;
+
+                        memset(v,0,sizeof(*v));
                         strcpy(v->name, "FM");
-                        mult = (fmi->flags & VIDEO_TUNER_LOW) ? 1 : 1000;
+                        v->type = V4L2_TUNER_RADIO;
+
+                        mult = (fmi->flags & V4L2_TUNER_CAP_LOW) ? 1 : 1000;
                         v->rangelow = RSF16_MINFREQ/mult;
                         v->rangehigh = RSF16_MAXFREQ/mult;
-                        v->flags=fmi->flags;
-                        v->mode=VIDEO_MODE_AUTO;
+                        v->rxsubchans =V4L2_TUNER_SUB_MONO | V4L2_TUNER_MODE_STEREO;
+                        v->capability=fmi->flags;
+                        v->audmode = V4L2_TUNER_MODE_STEREO;
                         v->signal = fmi_getsigstr(fmi);
+
                         return 0;
                 }
-                case VIDIOCSTUNER:
+                case VIDIOC_S_TUNER:
                 {
-                        struct video_tuner *v = arg;
-                        if(v->tuner!=0)
+                        struct v4l2_tuner *v = arg;
+
+                        if (v->index > 0)
                                 return -EINVAL;
-                        fmi->flags = v->flags & VIDEO_TUNER_LOW;
-                        /* Only 1 tuner so no setting needed ! */
-                        return 0;
-                }
-                case VIDIOCGFREQ:
-                {
-                        unsigned long *freq = arg;
-                        *freq = fmi->curfreq;
-                        if (!(fmi->flags & VIDEO_TUNER_LOW))
-                            *freq /= 1000;
+
                         return 0;
                 }
-                case VIDIOCSFREQ:
+                case VIDIOC_S_FREQUENCY:
                 {
-                        unsigned long *freq = arg;
-                        if (!(fmi->flags & VIDEO_TUNER_LOW))
-                                *freq *= 1000;
-                        if (*freq < RSF16_MINFREQ || *freq > RSF16_MAXFREQ )
+                        struct v4l2_frequency *f = arg;
+
+                        if (!(fmi->flags & V4L2_TUNER_CAP_LOW))
+                                f->frequency *= 1000;
+                        if (f->frequency < RSF16_MINFREQ ||
+                                        f->frequency > RSF16_MAXFREQ )
                                 return -EINVAL;
                         /*rounding in steps of 800 to match th freq
                           that will be used */
-                        fmi->curfreq = (*freq/800)*800;
+                        fmi->curfreq = (f->frequency/800)*800;
                         fmi_setfreq(fmi);
+
                         return 0;
                 }
-                case VIDIOCGAUDIO:
+                case VIDIOC_G_FREQUENCY:
                 {
-                        struct video_audio *v = arg;
-                        memset(v,0,sizeof(*v));
-                        v->flags=( (!fmi->curvol)*VIDEO_AUDIO_MUTE | VIDEO_AUDIO_MUTABLE);
-                        strcpy(v->name, "Radio");
-                        v->mode=VIDEO_SOUND_STEREO;
+                        struct v4l2_frequency *f = arg;
+
+                        f->type = V4L2_TUNER_RADIO;
+                        f->frequency = fmi->curfreq;
+                        if (!(fmi->flags & V4L2_TUNER_CAP_LOW))
+                                f->frequency /= 1000;
+
                         return 0;
                 }
-                case VIDIOCSAUDIO:
+                case VIDIOC_QUERYCTRL:
                 {
-                        struct video_audio *v = arg;
-                        if(v->audio)
-                                return -EINVAL;
-                        fmi->curvol= v->flags&VIDEO_AUDIO_MUTE ? 0 : 1;
-                        fmi->curvol ?
-                                fmi_unmute(fmi->port) : fmi_mute(fmi->port);
-                        return 0;
+                        struct v4l2_queryctrl *qc = arg;
+                        int i;
+
+                        for (i = 0; i < ARRAY_SIZE(radio_qctrl); i++) {
+                                if (qc->id && qc->id == radio_qctrl[i].id) {
+                                        memcpy(qc, &(radio_qctrl[i]),
+                                                                sizeof(*qc));
+                                        return (0);
+                                }
+                        }
+                        return -EINVAL;
                 }
-                case VIDIOCGUNIT:
+                case VIDIOC_G_CTRL:
                 {
-                        struct video_unit *v = arg;
-                        v->video=VIDEO_NO_UNIT;
-                        v->vbi=VIDEO_NO_UNIT;
-                        v->radio=dev->minor;
-                        v->audio=0; /* How do we find out this??? */
-                        v->teletext=VIDEO_NO_UNIT;
-                        return 0;
+                        struct v4l2_control *ctrl= arg;
+
+                        switch (ctrl->id) {
+                                case V4L2_CID_AUDIO_MUTE:
+                                        ctrl->value=fmi->curvol;
+                                        return (0);
+                        }
+                        return -EINVAL;
+                }
+                case VIDIOC_S_CTRL:
+                {
+                        struct v4l2_control *ctrl= arg;
+
+                        switch (ctrl->id) {
+                                case V4L2_CID_AUDIO_MUTE:
+                                {
+                                        if (ctrl->value)
+                                                fmi_mute(fmi->port);
+                                        else
+                                                fmi_unmute(fmi->port);
+
+                                        fmi->curvol=ctrl->value;
+                                        return (0);
+                                }
+                        }
+                        return -EINVAL;
                 }
                 default:
-                        return -ENOIOCTLCMD;
+                        return v4l_compat_translate_ioctl(inode,file,cmd,arg,
+                                                          fmi_do_ioctl);
         }
 }
 
@@ -235,7 +278,7 @@ static struct video_device fmi_radio=
         .owner          = THIS_MODULE,
         .name           = "SF16FMx radio",
         .type           = VID_TYPE_TUNER,
-        .hardware       = VID_HARDWARE_SF16MI,
+        .hardware       = 0,
         .fops           = &fmi_fops,
 };
 
@@ -294,7 +337,7 @@ static int __init fmi_init(void)
         fmi_unit.port = io;
         fmi_unit.curvol = 0;
         fmi_unit.curfreq = 0;
-        fmi_unit.flags = VIDEO_TUNER_LOW;
+        fmi_unit.flags = V4L2_TUNER_CAP_LOW;
         fmi_radio.priv = &fmi_unit;
 
         mutex_init(&lock);